Jim Bridenstine

Sue Ogrocki / Associated Press

FILE - In this Feb. 28, 2016, file photo, Rep. Jim Bridenstine, R-Tulsa, speaks in Tulsa, Okla. President Donald Trumpâs choice to head NASA faces a contentious Senate confirmation over his past comments dismissive of global warming as a man-made problem. Trump has Bridenstine to oversee the space agency, a job that often goes to astronauts or scientists. If confirmed, Bridenstine would be the first member of Congress to lead the agency during its nearly 60-year existence. (AP Photo/Sue Ogrocki, File)

FILE - In this Feb. 28, 2016, file photo, Rep. Jim Bridenstine, R-Tulsa, speaks in Tulsa, Okla. President Donald Trumpâs choice to head NASA faces a contentious Senate confirmation over his past comments dismissive of global warming as a man-made problem. Trump has Bridenstine to oversee the space agency, a job that often goes to astronauts or scientists. If confirmed, Bridenstine would be the first member of Congress to lead the agency during its nearly 60-year existence. (AP Photo/Sue Ogrocki, File) (Sue Ogrocki / Associated Press)

FILE - In this Feb. 28, 2016, file photo, Rep. Jim Bridenstine, R-Tulsa, speaks in Tulsa, Okla. President Donald Trumpâs choice to head NASA faces a contentious Senate confirmation over his past comments dismissive of global warming as a man-made problem. Trump has Bridenstine to oversee the space agency, a job that often goes to astronauts or scientists. If confirmed, Bridenstine would be the first member of Congress to lead the agency during its nearly 60-year existence. (AP Photo/Sue Ogrocki, File)